William Mareschal & Isabel FitzGilbert de Clare 
William and Isabel FitzGilbert were married in a religious ceremony in August 1189 in London, Middlesex, England. They had five sons and six daughters, named William, Gilbert, Richard, Walter, Anselm, Margaret, Maud, Eve, Sibyl, Isabella (Marshall) and Joane.
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Personal Details
William Mareschal
William was born in 1146 in Pembroke, Pembrokeshire, Wales. He died at the age of 73 on May 14th, 1219 in Caversham, England. He was buried in Round Chapel Of Knight's Temple, London, Middlesex, England.
Isabel FitzGilbert de Clare
Isabel FitzGilbert was born about 1172 in Pembroke, Pembrokeshire, Wales. She died in 1220 in Pembroke, Pembrokeshire, Wales. She was buried in Tintern Abby, Pembroke, Wales.
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Children
William Mareschal
William was born about 1190 in Pembroke, Pembrokeshire, Wales. He died in April 1231.
Maud Mareshal
Maud was born about 1192 in Pembroke, Pembrokeshire, Wales. She died on March 27th, 1248 in Warren, Sussex, England. She was buried in Lewes Priory, Sussex, England.
Eve Mareschal
Eve was born about 1194 in Pembroke, Pembrokeshire, Wales. She died before 1246 in England.
Sibyl Mareschal
Sibyl was born about 1198 in Pembroke, Pembrokeshire, Wales. She died on April 27th, 1245.
Isabella (Marshall) Mareschal
Isabella (Marshall) was born on October 9th, 1200 in Pembroke Castle, Pembrokeshire, Wales, England. She died in Berkhampstead, Hereford Co., Engalnd. She was buried in Beaulieu, Southampton, England.
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